}

	var fcExtra []string
	if strings.Contains(fc, "gfortran") {
		// TODO: This duplicates but also diverges from logic from cmd/go
		// itself. For example, cmd/go merely adds -lgfortran without the extra
		// library path work. If this is what's necessary to run gfortran, we
		// should reconcile the logic here and in cmd/go.. Maybe this should
		// become a cmd/go script test to share that logic.

		}
		if objc {
			ldflags = append(ldflags, "-lobjc")
		}
		if fortran {
			fc := cfg.Getenv("FC")
			if fc == "" {
				fc = "gfortran"
			}
			// support gfortran out of the box and let others pass the correct link options
			// via CGO_LDFLAGS
			if strings.Contains(fc, "gfortran") {
				ldflags = append(ldflags, "-lgfortran")
			}
		}
	}

if x%3==x-no-local...

# (for example, CXX_FOR_linux_arm)
# If this is not set, the build will use CXX_FOR_TARGET if appropriate, or CXX.
#
# FC: Command line to run to compile Fortran code for GOARCH.
# This is used by cgo. Default is "gfortran".
#
# PKG_CONFIG: Path to pkg-config tool. Default is "pkg-config".
#
# GO_DISTFLAGS: extra flags to provide to "dist bootstrap".
# (Or just pass them to the make.bash command line.)
#

	}

	// Likewise for Fortran, except there are many Fortran compilers.
	// Support gfortran out of the box and let others pass the correct link options
	// via CGO_LDFLAGS
	if len(ffiles) > 0 {
		fc := cfg.Getenv("FC")
		if fc == "" {
			fc = "gfortran"
		}
		if strings.Contains(fc, "gfortran") {
			cgoLDFLAGS = append(cgoLDFLAGS, "-lgfortran")
		}
	}

	b.id.Unlock()

	return id
}

// gccToolID returns the unique ID to use for a tool that is invoked
// by the GCC driver. This is used particularly for gccgo, but this can also
// be used for gcc, g++, gfortran, etc.; those tools all use the GCC
// driver under different names. The approach used here should also
// work for sufficiently new versions of clang. Unlike toolID, the

Cuong Manh Le <******@****.***> 1697550630 +0700

	m1, ok := zork[e.from]
	if !ok {
		panic("bad edge")
	}
	m2, ok := zork[e.to]
	if !ok {
		panic("bad edge")
	}
	return m1, m2
}

// The first maze in Zork. Room indexes based on original Fortran data file.
// You are in a maze of twisty little passages, all alike.
var zork = map[int]mazeRoom{
	11: {exits: [10]int{north: 11, south: 12, east: 14}}, // west to Troll Room

COLLECT_GCC=gcc
Target: x86_64-linux-gnu
Configured with: ../src/configure -v --with-pkgversion='Ubuntu ${versionNumber}-2ubuntu1~14.04.3' --with-bugurl=file:///usr/share/doc/gcc-4.8/README.Bugs --enable-languages=c,c++,java,go,d,fortran,objc,obj-c++ --prefix=/usr --host=x86_64-linux-gnu --target=x86_64-linux-gnu
Thread model: posix
gcc version ${versionNumber} (Ubuntu ${versionNumber}-2ubuntu1~14.04.3)

	XMC_XO     = 7  // Extended operation
	XMC_SV     = 8  // 32-bit supervisor call descriptor
	XMC_BS     = 9  // BSS class
	XMC_DS     = 10 // Function descriptor
	XMC_UC     = 11 // Unnamed FORTRAN common
	XMC_TC0    = 15 // TOC anchor
	XMC_TD     = 16 // Scalar data entry in the TOC
	XMC_SV64   = 17 // 64-bit supervisor call descriptor
	XMC_SV3264 = 18 // Supervisor call descriptor for both 32-bit and 64-bit